This page contains links to useful materials created by various members of community as well as some general info on availability of different versions of StarNet.
Graphical User Interface
Tensorflow libraries supplied with StarNet distribution and do support M1 architecture. However, some people report problems making PI plugin work with M1. Here is useful thread on PixInsight forum that helped some people solve this problem.
Here is a YouTube video that might help to address a problem with M1 chips.